Shakeout transfer structure based on roller bed sand box
By adopting a roller conveyor sand box structure for sand removal in the foundry workshop, the organized collection and efficient transfer of old sand have been achieved, solving the problems of resource waste and space occupation in traditional sand removal methods, reducing construction difficulty and safety hazards, and improving the convenience of equipment maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-03-13
AI Technical Summary
Traditional sand removal methods suffer from problems such as resource waste, environmental pollution, large space occupation, high construction difficulty and safety hazards, and inconvenient equipment maintenance.
The system adopts a sand transfer structure based on roller conveyor sand boxes. Through the layout of shallow pits, multiple sand drop points and buffer sand hoppers are configured. The system uses level gauges and sand valves to achieve organized collection of old sand, and adopts double-unit vehicles to improve transfer efficiency.
It enables the organized collection of old sand, saves workshop floor space, reduces construction depth, improves transportation efficiency, reduces the risk of equipment jamming, and simplifies equipment maintenance.
Smart Images
Figure CN223989062U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sand transfer technology, and in particular to a sand transfer structure based on a roller conveyor sand box. Background Technology
[0002] In the production process of the foundry, the sand removal and transfer process is crucial, and traditional sand removal methods often have many drawbacks.
[0003] On the one hand, most sand removal operations lack systematic organization, and the collection of old sand is chaotic, which not only wastes resources but also causes serious pollution to the workshop environment and increases the cost of subsequent cleaning and recycling. On the other hand, the previous layout of sand removal equipment mostly adopted the ground-mounted or deep-pit design. The ground-mounted type occupies a lot of workshop floor space, making the already tight workshop space even more crowded and affecting the layout and operation of other production equipment. While the deep-pit type solves the space occupation problem to a certain extent, the pit is deep, the construction is difficult and costly, and there are safety hazards. It is also extremely inconvenient for equipment maintenance and repair. Summary of the Invention
[0004] To address the shortcomings of existing technologies, this utility model provides a sand removal and transfer structure based on a roller conveyor sand box. By improving the structure of the sand removal section that cooperates with the sand removal machine, a shallow pit layout is achieved, saving ground space. Multiple sand removal points are configured on a single conveyor line to achieve organized collection of old sand. One sand removal grid is matched with multiple buffer sand hoppers to reduce the excavation depth of the shallow pit. The technical solution adopted by this utility model is as follows:
[0005] A sand transfer structure based on a roller conveyor sand box, installed in a shallow pit in the workshop, includes:
[0006] The first conveyor line is laid along the first direction at the bottom of the shallow pit;
[0007] The first transfer trolley is used to place the sand box, and the first transfer trolley moves along the first conveyor line;
[0008] Several sand-falling sections are arranged at intervals in the shallow pit along the first direction;
[0009] Each of the sand-falling sections includes a sand-falling grid and at least two connected buffer sand hoppers. Sand falls through the sand-falling grid into at least two of the buffer sand hoppers for temporary storage. Each of the buffer sand hoppers is equipped with a sand valve at its bottom. The sand box on the first transfer trolley can correspond to the outlet of any of the buffer sand hoppers.
[0010] Furthermore, a level gauge is installed inside the buffer sand hopper.
[0011] Furthermore, it also includes:
[0012] The second conveyor line is laid along the second direction at the bottom of the shallow pit;
[0013] The second transfer trolley moves along the second conveyor line and can dock with the first transfer trolley so that the sand box can be transferred between the first transfer trolley and the second transfer trolley.
[0014] Furthermore, it also includes:
[0015] The third conveyor line is located between the first and second conveyor lines;
[0016] The third and fourth transfer trolleys move along the third conveyor line, respectively.
[0017] Among them, the third and fourth transfer trolleys can connect with the first and second transfer trolleys, respectively.
[0018] Advantages of this utility model:
[0019] Multiple sand drop points on a single conveyor line enable organized collection of old sand;
[0020] The entire sand removal scheme uses shallow pits, saving valuable workshop floor space;
[0021] One sand-falling grid corresponds to multiple sand-buffering hoppers, reducing the excavation depth of shallow pits;
[0022] The sand valve enables individual discharge between different buffer sand hoppers, and the remaining sand in each buffer sand hopper is monitored by the level gauge.
[0023] The sand boxes are transported to the target sand storage by changing the transfer direction of the second conveyor line and the second transfer trolley.
[0024] By using the third conveyor line, the third transfer trolley, and the fourth transfer trolley, the sand boxes are alternately transferred between empty and full boxes, thereby improving the efficiency of sand box transfer. Attached Figure Description
[0025] Figure 1 This is a schematic diagram of the structural composition of this utility model.
[0026] Figure 2 for Figure 1 Sectional view at point C.
[0027] In the diagram: 1-First conveyor line, 2-First transfer trolley, 3-Sand grating, 4-Buffer sand hopper, 5-Sand valve, 6-Level gauge, 7-Second conveyor line, 8-Second transfer trolley, 9-Third conveyor line, 10-Third transfer trolley, 11-Fourth transfer trolley. Detailed Implementation
[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.
[0029] Please see the appendix Figure 1 and attached Figure 2 This utility model provides a sand-falling and transfer structure based on a roller conveyor sand box, which is set in a shallow pit in a workshop. It includes: a first conveyor line 1, laid along a first direction at the bottom of the shallow pit; a first transfer trolley 2, used to place sand boxes, which moves along the first conveyor line 1; and several sand-falling sections, arranged at intervals along the first direction in the shallow pit. Each of the sand-falling sections includes a sand-falling grid 3 and at least two connected buffer sand hoppers 4. Sand falls through the sand-falling grid 3 into at least two of the buffer sand hoppers 4 for temporary storage. Each of the buffer sand hoppers 4 is provided with a sand valve 5 at its bottom. The sand box on the first transfer trolley 2 can correspond to the outlet of any of the buffer sand hoppers 4.
[0030] In one embodiment, at least two buffer sand hoppers 4 are formed by branches from the bottom of a main sand hopper. After the sand falls into the main sand hopper, it is diverted to each buffer sand hopper 4 for temporary storage. The top of the main sand hopper is erected at the edge of the shallow pit, and the sand drop grid 3 is laid on the top of the main sand hopper.
[0031] In one specific embodiment, four connected buffer sand hoppers 4 are located below the same sand discharge grid 3. The four buffer sand hoppers 4 are arranged in two rows and two columns, dividing the amount of sand circulating from the same sand discharge into four portions and temporarily storing them in different buffer sand hoppers 4. The first transfer trolley 2 carries the sand box along the first conveyor line 1 to the area below the sand discharge section, opens the sand valve 5 on the buffer sand hopper 4 that needs to discharge sand, and the empty box receives the sand temporarily stored in the buffer sand hopper 4. Then, the full box is transported away along the first conveyor line 1, and the transfer process is repeated with an empty box.
[0032] By alternating discharge from different buffer sand hoppers 4 and coordinating multiple transports by the first transfer trolley 2, the amount of sand in the sand box during each transfer process is no more than half of the original amount of sand transferred during production. Therefore, the amount of sand in the sand box will not be too full during transfer, avoiding sand overflow and reducing the risk of iron bars jamming or getting stuck on the conveyor line. The arrangement of at least two buffer sand hoppers 4 to replace the original single buffer sand hopper can effectively reduce the height required for the buffer sand hoppers 4, thereby reducing the depth of the shallow pit.
[0033] In one embodiment, to facilitate monitoring of the sand quantity in each buffer sand hopper 4, a level gauge 6 is installed inside each buffer sand hopper 4. The level gauge 6 and the sand valve 5 are connected to the control system. When the level gauge 6 detects that the sand quantity in the buffer sand hopper 4 has reached a certain level and sand needs to be discharged, the first transfer trolley 2 moves to the bottom of the sand discharge section to collect the sand, and the control system controls the sand valve 5 to open, completing the sand discharge operation. Since the sand valve 5 and the level gauge 6 are commonly used electrically controlled valves and position sensors in the prior art, their specific structures and working principles will not be described in detail here.
[0034] Furthermore, this application also includes: a second conveyor line 7, laid along a second direction at the bottom of the shallow pit; and a second transfer trolley 8, moving along the second conveyor line 7 and capable of docking with the first transfer trolley 2, so that sand boxes can be transferred between the first transfer trolley 2 and the second transfer trolley 8. When the first transfer trolley 2 carrying sand boxes arrives at the docking point with the second transfer trolley 8, the second transfer trolley 8 can take over the work of the first transfer trolley 2, allowing the first transfer trolley 2 to reload empty boxes and return to each sand drop section to collect sand again; the cooperation of the second conveyor line 7 and the second transfer trolley 8 enables cross-workshop transfer.
[0035] In one specific embodiment, the first direction is perpendicular to the second direction, that is, the second conveyor line 7 is perpendicular to the first conveyor line 1, and the sand box is transferred in a different direction according to the workshop layout.
[0036] Furthermore, to reduce the waiting time between empty and full containers, this application also includes: a third conveyor line 9, located between the first conveyor line 1 and the second conveyor line 7; a third transfer trolley 10 and a fourth transfer trolley 11, respectively moving along the third conveyor line 9; wherein the third transfer trolley 10 and the fourth transfer trolley 11 can respectively dock with the first transfer trolley 2 and the second transfer trolley 8. The third transfer trolley 10 and the fourth transfer trolley 11 form a double-unit system, realizing the alternation between empty and full sand containers, thereby improving transfer efficiency.
[0037] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although this utility model has been described in detail with reference to examples, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the claims of this utility model.
Claims
1. A roller bed flask based drag transfer structure, provided in a shallow pit in a foundry, characterized in that, Comprise: A first conveying line (1) laid on the bottom of the shallow pit in a first direction; A first transfer trolley (2) for placing sand boxes, the first transfer trolley (2) moving along the first conveying line (1); A plurality of sand dropping parts arranged in the first direction in the shallow pit; Wherein, any of the sand dropping parts comprises a sand dropping grid (3) and at least two connected buffer sand hoppers (4), sand falling through the sand dropping grid (3) is temporarily stored in the at least two buffer sand hoppers (4), and the bottom of any of the buffer sand hoppers (4) is provided with a sand valve (5), and the sand box on the first transfer trolley (2) can correspond to the outlet of any of the buffer sand hoppers (4).
2. The roller bed flask-based drag transfer structure of claim 1, wherein: The buffer sand hopper (4) is internally provided with a material level meter (6).
3. The roller bed sand box based drag transfer structure of claim 1, wherein, Further comprise: A second conveying line (7) laid on the bottom of the shallow pit in a second direction; A second transfer trolley (8) moving along the second conveying line (7) and capable of being docked with the first transfer trolley (2) to transfer the sand box between the first transfer trolley (2) and the second transfer trolley (8).
4. The roller bed sand box based drag transfer structure of claim 3, wherein, Further comprise: A third conveying line (9) between the first conveying line (1) and the second conveying line (7); A third transfer trolley (10) and a fourth transfer trolley (11) respectively moving along the third conveying line (9); Wherein, the third transfer trolley (10) and the fourth transfer trolley (11) can be respectively docked with the first transfer trolley (2) and the second transfer trolley (8).